The radius R of a sphere is 9.8 cm. Calculate the sphere's surface area A.
Use the value 3.14 for 1, and round your answer to the nearest tenth.

The actual length of side t is 0.045 cm. use the scale drawing to find the actual side length of w. a) 0.06 cm b) 0.075 cm c) 0.45 cm d) 0.75 cm

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1